Seiko Blue Ocean (SBBN021)


Item Number: SBBN021 
Movement: Quartz 
Water resistance: 1000m waterproof for saturation diving 
Battery life: 5 years 
Accuracy: between ± 15 seconds per month 
One-piece case 
Seiko Limited 130th anniversary commemorative model 
Production: 400 (300 domestic) 
Back stamped with “LIMITED EDITION” and serial number 
Locking screw bezel crown / unidirectional rotating Anti-magnetic 
Lens: Sapphire glass 
Case Material: Pure titanium (hard coating) outside the body protector + Blue ceramics
Case Size: 48 × 48mm 
Case Thickness: 15.4mm 
Band Material: Polyurethane 
Band Width: 22mm Weight: 114g 


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